42results about How to "Not easy to scrap" patented technology

The invention discloses a multi-layer high pressure-resistant corrugated cardboard for packaging materials, comprising a first corrugated board, a second corrugated board, a third corrugated board, a first reinforcing rib and a second reinforcing rib, the first reinforcing rib The ribs are evenly arranged between the first corrugated board and the second corrugated board, the second reinforcing ribs are evenly arranged between the second corrugated board and the third corrugated board, and the first reinforcing ribs and The second reinforcing ribs are arranged in a staggered position, the first reinforcing ribs have a trapezoidal structure, and the second reinforcing ribs have an inverted trapezoidal structure and a mirror image structure with the first reinforcing ribs. Through the above method, the multi-layer high pressure-resistant corrugated cardboard used in the packaging material of the present invention has relatively high compressive resistance and impact resistance to puncture, strengthens the overall strength of the corrugated cardboard, makes it difficult to deform, and is beneficial to the handling of goods , not easy to scrap.

The invention relates to cutting equipment, in particular to brick cutting equipment for a construction site. The brick cutting equipment for the construction site is provided for achieving the technical effects that danger of workers is low, the equipment can conduct cutting accurately, and bricks are not likely to be scrapped. In order to achieve the technical effects, the brick cutting equipment for the construction site, provided by the invention, comprises a support, a working table, a third slide rail, a third sliding block, a fixed platform, a carrying platform, a first slide rail, a first sliding block, a pressing plate, a first nut, a first screw rod and the like. The working table is mounted at the upper end of the support in a welded mode. The third slide rail is mounted on the inner left side of the working table in a bolt connection mode. The third sliding block is connected into the third slide rail in a sliding mode. The brick cutting equipment for the construction site achieves the effects that danger to workers is small, the equipment can conduct accurate cutting, and bricks are not likely to be scrapped. Bricks are moved through a moving device.

The invention discloses a medical catheter bonding glue and a preparation method thereof, which belong to the technical field of medical instrument glue production. The raw materials of the glue comprise, by mass, 1.03-2.86% of SEBS, 3.14-10% of tackifying resin, and the balance a solvent. The tackifying resin comprises C5 petroleum resin and hydrogenated rosin glyceride, and the solvent comprises cyclohexane, ethyl acetate and cyclohexanone. Proper tackifying resin types are selected in the glue, so that the bonding strength of the glue is improved; cyclohexanone is added into the solvent, so that the lubricity of the medical catheter is improved; the solvent which volatilizes slowly is selected, so that the working life of the glue is greatly prolonged; meanwhile, the solvent selected in the glue has small side effects on human bodies and small harm to bodies of workers.

The invention provides a multifunctional rack, which comprises a base, a beam, two upright posts and more than one platen, wherein bottom ends of the two upright posts are fixedly arranged on the base, the top ends of two upright posts and both ends of the beam are connected to form a door type frame, each upright post is respectively provided with four lateral surfaces, at least two non-adjacent lateral surfaces are provided with a reverse T-shaped groove, the upper end of the T shape in the T-shaped groove is located at the bottom of the groove, the lower end of the T shape is located on the lateral surfaces of the upright post, the T-shaped groove is used for containing more than one T-shaped bolt, the platen is located between the two upright posts, and the platen are in threaded connection with the upright posts through the T-shaped bolts. The multifunctional rack, provided by the invention, has the advantages of simple structure, convenience for assembly and disassembly, flexible use and strong expandability.

The invention provides a fast assembly structure, comprising: a clamping assembly, including a first clamping plate and a second clamping plate, the first clamping plate is fixedly arranged; a quick drive assembly, connected with the second clamping plate, and The second clamping plate can be driven to move to the first position, and the second clamping plate can form a clamping opening for clamping external equipment with the first clamping plate at the first position; the fine adjustment component is connected with the fast drive component and the A second clamping plate is attached and used to fine-tune the size of the clamping opening. A tactical light includes a light body and a quick-installation structure, the quick-installation structure is used to clamp the light body and install the light body on a rifle, and the light body is clamped between a first clamping plate and a second clamping plate. The quick assembly structure provided by the present invention can fine-tune the size of the clamping opening between the first clamping plate and the second clamping plate, can effectively improve the insufficient clamping force caused by manufacturing tolerances, and reduce the wear of the quick assembly structure Scrap rate.

The invention discloses a working sealing assembly of a ball valve with an elastic central hole, comprising a movable sealing ring (1) movably connected with a ball valve body and a fixed sealing ring (2) fixed on a ball valve valve, the movable sealing ring The inside of (1) is provided with the first central hole (11) of annular penetration, and the interior of the fixed sealing ring (2) is provided with the second central hole (21) of annular penetration; the first central hole ( 11) and the second center hole (21) are formed with two circles on the cross-section of the central axis of the movable seal ring (1), and the line connecting the centers of the two circles passes through the movable seal ring (1) and the fixed seal ring (2) contact parts. The invention has the advantages of good sealing performance and long service life.

The invention discloses a production process of an air inlet rubber tube of an automobile turbocharger. The production process comprises the following steps: raw material preparation; mixing; rolling; fabric cutting; coiling; sleeving; sizing; and vulcanization. A prevulcanization step is additionally arranged between rolling and fabric cutting, wherein the prevulcanization temperature is 190+ / -5 DEG C, and the time is 8-10min. The production process disclosed by the invention improves the percent of pass of production while improving the product performance, thereby reducing the production cost of a product.

The invention discloses a production process of an air inlet rubber tube of an automobile turbocharger. The production process comprises the following steps: raw material preparation; mixing; rolling; fabric cutting; coiling; sleeving; sizing; and vulcanization. A prevulcanization step is additionally arranged between rolling and fabric cutting, wherein the prevulcanization temperature is 190+ / -5 DEG C, and the time is 8-10min. The production process disclosed by the invention improves the percent of pass of production while improving the product performance, thereby reducing the production cost of a product.

The invention discloses a tool for processing an air extracting pipe of a condenser of a turbine, which relates to an auxiliary tool for processing the air extracting pipe of the condenser of the turbine and aims to solve the problems that a processed pipe is supported by two pieces of V-shaped iron, air extracting holes are directly drilled on a radial drill, the positions of the drilled holes are inaccurate and the drilled holes have low precision in the conventional tool for processing the air extracting pipe of the condenser of the turbine. A rotating rod is arranged in an installation hole; a positioning plate and an indexing disk are arranged in parallel; the center line of the positioning plate is opposite to the center line of the indexing disk; two long holes are formed between afirst positioning pitch circle and a second positioning pitch circle on the positioning plate; the width of each long hole is equal to the diameter of an indexing hole; an included angle between the two long holes is 90 degrees; positioning pins are arranged in the long holes and the indexing holes; the lower end of the positioning plate is connected with a bearing seat by a seat plate; the indexing disk, the positioning plate, the components of the bearing seat and two support frames are sequentially arranged along a longitudinal direction; and the vertical center lines of frame bodies and the center line of the indexing disk are positioned in the same plane. The tool is used for processing the air extracting pipe of the condenser of the turbine.

The invention discloses a medical catheter bonding glue and a preparation method thereof, belonging to the technical field of medical device glue production. According to the mass percentage, the raw materials of the glue include SEBS 1.03-2.86%, tackifying resin 3.14-10%, and the balance is a solvent; wherein the tackifying resin includes C5 petroleum resin and hydrogenated rosin glyceride, and the solvent includes cyclohexane, ethyl acetate and cyclohexanone. In the glue, a suitable type of tackifying resin is selected to improve the bonding strength of the glue; cyclohexanone is added to the solvent to improve the lubricity of the medical catheter; and the solvent with slower volatilization is selected, which greatly prolongs the pot life of the glue At the same time, the solvent selected in the glue has less side effects on human body and less physical harm to workers.

The invention discloses a formed honeycomb core cutting device. According to the technical scheme, the formed honeycomb core cutting device is characterized in that the formed honeycomb core cutting device comprises a rack and an installing plate fixed to the upper end of the rack, and a positioning mechanism is arranged at the upper end of the installing plate and comprises a positioning rod anda measuring rod; the two adjacent side walls of the installing plate are each connected with a cutting mechanism, and each cutting mechanism comprises a cutting base, a cutter and a cutting motor, wherein the upper end of the cutter is higher than the upper end face of the installing plate; and a compressing mechanism used for fixing a honeycomb core is connected to the upper end of the installingplate, the compressing mechanism comprises two compressing blocks and a plurality of compressing air cylinders used for driving the compressing blocks to vertically move, and the two compressing blocks are perpendicular to each other and close to the side walls, connected with the cutting mechanisms, of the installing plate. According to the formed honeycomb core cutting device, the structure isreasonable, the position of the honeycomb core is limited through the positioning mechanism, therefore, the size of the honeycomb core is more precise in the cutting process, and the machined honeycomb core is not prone to scrapping.

The invention relates to the field of transition sleeves, in particular to an oil seal transition sleeve which is of a thin-wall hollow structure. The oil seal transition sleeve comprises a connecting pipe, a transition pipe and a guide pipe, the connecting pipe is arranged at one end of the transition pipe, the guide pipe is arranged at the other end of the transition pipe, the diameter of the connecting pipe is larger than that of the guide pipe, and the transition pipe is in a circular truncated cone shape. The invention further relates to an opening expanding tool for machining the oil seal transition sleeve, the opening expanding tool for machining the oil seal transition sleeve comprises a lower die lower base, a lower die upper base, a supporting column, a positioning base, a spring, a positioning rod, the opening expanding die and an upper die bottom plate moving up and down, structural design is reasonable, and the connecting pipe and the transition pipe can be conveniently formed through opening expanding machining. According to the oil seal transition sleeve and the opening expanding tool for machining the oil seal transition sleeve, the oil seal transition sleeve is reasonable in structural design and convenient to machine and manufacture, the opening expanding tool is reasonable in structural design, the oil seal transition sleeve meeting actual requirements can be efficiently machined, oil seal transition sleeves of different specifications can be conveniently machined after the tool is replaced. In this way, actual machining requirement can be better met.

The invention provides a machining method for stainless steel seal rings in large valves, belongs to the technical field of machining, and solves the technical problem in the prior art that the scrapping rate is higher due to deformation during machining process. The machining method for seal rings comprises the following steps: step 1, outer circle coarse machining; step 2, bottom surface fine machining; step 3, ageing treatment 1; step 4, inner circle fine machining; step 5, top surface coarse machining; step 6, outer circle fine machining; step 7, ageing treatment 2; and step 8, top surface fine machining. Seal rings made with the machining method provided by the invention have flatness of 0.05 mm to 0.1 mm, and can meet the precision requirements of valve sealing. The seal rings made through the machining method are cut three times in top surface fine turning and outer circle fine turning, so that workpieces have a low probability of deformation and are not easy to be scrapped.

The invention discloses a post production process of thin panels. The post production process includes subjecting a PANEL to preforming before a gold immersion procedure, subjecting the preformed PANEL to gold immersion, integral panel testing and final check and verification, and integral panel surface treatment procedure sequentially, subjecting the PANEL subjected to the integral panel surface treatment to second SET panel forming and screwing, subjecting SET panels to secondary check and verification, package and delivery. The preforming treatment step includes screwing shape of each SET panel on the PANEL before gold immersion, connection parts are reserved among the SET panels, and blue adhesive layers are attached on two plate surfaces of the integral PANEL after the PANEL is subjected to preforming. By producing the thin plates by the post production process, quality of PCBs (printed circuit boards) of the thin panels can be effectively improved, and rejection rate is decreased.

The invention discloses a protective mobile traffic signal lamp, which belongs to the field of photoelectric products. A protective mobile traffic signal lamp comprises an outer shell, a liquid level measuring instrument is installed at the outer end of the outer shell, and a liquid level measuring instrument is installed at the inner bottom end of the outer shell. There is a battery, the upper end of the battery is connected with a telescopic cylinder, the upper end of the output shaft of the telescopic cylinder is fixedly connected with a positioning plate, the upper end of the positioning plate is fixedly connected with the main lamp body, the upper end of the main lamp body is fixedly connected with a top cover, and the inner end of the top cover Installed with a sealing structure, it is convenient to monitor the liquid level through the liquid level measuring instrument, so that the protection of the main lamp body can be realized when the liquid level is high, and the gas in the sealing structure can be exchanged between the storage bag and the sealing bag , strengthen the sealing between the outer shell and the top cover, so that the main lamp body is not easy to be scrapped due to water ingress when soaked in water, and at the same time lock the connection between the top cover and the outer shell when not in use, reducing the probability of the top cover being opened, so that the inside Parts are not easy to lose.